silent perl module installation

Author: wing328

.travis.yml

@@ -60,13 +60,7 @@ before_install:
   - sudo apt-get install -qq curl
   # install perl module
   - cpanm --local-lib=~/perl5 local::lib && eval $(perl -I ~/perl5/lib/perl5/ -Mlocal::lib)
-  - cpanm Test::Exception Test::More Log::Any LWP::UserAgent JSON URI:Query Module::Runtime DateTime Module::Find Moose::Role
-  # comment out below as installation failed in travis
-  # Add rebar3 build tool and recent Erlang/OTP for Erlang petstore server tests.
-  # - Travis CI does not support rebar3 [yet](https://github.com/travis-ci/travis-ci/issues/6506#issuecomment-275189490).
-  # - Rely on `kerl` for [pre-compiled versions available](https://docs.travis-ci.com/user/languages/erlang#Choosing-OTP-releases-to-test-against). Rely on installation path chosen by [`travis-erlang-builder`](https://github.com/travis-ci/travis-erlang-builder/blob/e6d016b1a91ca7ecac5a5a46395bde917ea13d36/bin/compile#L18).
-  # - . ~/otp/18.2.1/activate && erl -version
-  #- curl -f -L -o ./rebar3 https://s3.amazonaws.com/rebar3/rebar3 && chmod +x ./rebar3 && ./rebar3 version && export PATH="${TRAVIS_BUILD_DIR}:$PATH"
+  - cpanm --verbose --no-interactive Test::Exception Test::More Log::Any LWP::UserAgent JSON URI:Query Module::Runtime DateTime Module::Find Moose::Role
 
   # show host table to confirm petstore.swagger.io is mapped to localhost
   - cat /etc/hosts